ImageMagick Upgrade to version 7.1.0-54 Hitting OpenCL ld errors

[Joshua Root]

Those are OpenCL functions, so you'd normally link with '-framework 
OpenCL' to get them. I notice the brew formula configures with 
--disable-opencl.

- Josh

On 2022-12-12 02:34 , Steven Smith wrote:
> I’m trying to upgrade the ImageMagick Portfile to version 7.1.0-54 and 
> am hitting linker errors with OpenCL.
> 
> I see that homebrew has a working version at 
> https://github.com/Homebrew/homebrew-core/blob/master/Formula/imagemagick.rb <https://github.com/Homebrew/homebrew-core/blob/master/Formula/imagemagick.rb>, so I’ve tried to make sure I’ve copies their setup, but am still hitting this issue, observed a year ago here, https://trac.macports.org/ticket/64087 <https://trac.macports.org/ticket/64087>.
> 
> Does anyone have a suggestion for locating these symbols?
> 
>> :info:build libtool: link: /usr/bin/clang 
>> -dynamiclib  -o MagickCore/.libs/libMagickCore-7.Q16.10.dylib  MagickCore/.libs/libMagickCore_7_Q16_la-accelerate.o  … MagickCore/.libs/libMagickCore_7_Q16_la-xwindow.o   -L/opt/local/lib -L/opt/local/lib/libomp -lomp -llcms2 -lxml2 -lfontconfig -lfreetype -lXext -lSM -lICE -lX11 -lXt -lbz2 -lz -lzip -lltdl -lm -lpthread  -Os -arch x86_64 -Wl,-headerpad_max_install_names -Wl,-syslibroot -Wl,/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk -arch x86_64   -pthread -install_name  /opt/local/lib/libMagickCore-7.Q16.10.dylib -compatibility_version 11 -current_version 11.0 -Wl,-single_module
>> :info:build ld: warning: directory not found for option 
>> '-L/opt/local/lib/ImageMagick-7.1.0'
>> :info:build Undefined symbols for architecture x86_64:
>> :info:build   "_clBuildProgram", referenced from:
>> :info:build       _InitializeOpenCL in libMagickCore_7_Q16_la-opencl.o
>> :info:build   "_clCreateBuffer", referenced from:
>> :info:build       _InitializeOpenCL in libMagickCore_7_Q16_la-opencl.o
>> :info:build   "_clCreateCommandQueue", referenced from:
>> :info:build       _InitializeOpenCL in libMagickCore_7_Q16_la-opencl.o
>> :info:build   "_clCreateContext", referenced from:
>> :info:build       _InitializeOpenCL in libMagickCore_7_Q16_la-opencl.o
>> :info:build   "_clCreateKernel", referenced from:
>> :info:build       _InitializeOpenCL in libMagickCore_7_Q16_la-opencl.o
>> :info:build   "_clCreateProgramWithBinary", referenced from:
>> :info:build       _InitializeOpenCL in libMagickCore_7_Q16_la-opencl.o
>> :info:build   "_clCreateProgramWithSource", referenced from:
>> :info:build       _InitializeOpenCL in libMagickCore_7_Q16_la-opencl.o
>> :info:build   "_clEnqueueMapBuffer", referenced from:
>> :info:build       _InitializeOpenCL in libMagickCore_7_Q16_la-opencl.o
>> :info:build   "_clEnqueueNDRangeKernel", referenced from:
>> :info:build       _InitializeOpenCL in libMagickCore_7_Q16_la-opencl.o
>> :info:build   "_clEnqueueReadBuffer", referenced from:
>> :info:build       _InitializeOpenCL in libMagickCore_7_Q16_la-opencl.o
>